Crimson Flame

He is the real king of the birds, even above Little Roc.

Spirit beasts fear his flames. It can burn bodies to ashes instantly and souls to disappear.

Trivia

 * Sima You Yue is the only one who can make Crimson Flame smile.
 * Although Crimson Flame is one of the four mythological beasts, the God of Fire is more powerful than him (chapters 2103-2104).